The stress concentration factor at shoulder fillet B. The maximum stress in the shaft taking into account stress concentrations.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
Consider the loaded shaft illustrated in Figure Q4 (i). The
shaft is simply supported at A and D. The shoulder fillet
radius is 0.3 cm at B and C.
If the shaft is subjected to a force of F=800 N, determine the
following:
Transcribed Image Text:Consider the loaded shaft illustrated in Figure Q4 (i). The shaft is simply supported at A and D. The shoulder fillet radius is 0.3 cm at B and C. If the shaft is subjected to a force of F=800 N, determine the following:
(d)
The stress concentration factor at shoulder fillet B.
(e)
The maximum stress in the shaft taking into account stress
concentrations.
800 N
r = 0,3 cm
A d, = 3 cm
d2 = 5 cm
d, 3 3 ст
B
C
5 ст
8 cm
8 ст
12 cm
Figure Q4 (i)
The reference parameters are shown in Figure Q4 (ii) in the
page that follows. For 0.002 srld < 0.3 and 1.01 s Dlds 6.0,
the stress concentration factor for bar bending is given as:
kn
-4.4
= 0.632 + 0.377
2
4
|-0.14 – 0.363(P/a)+ 0.503(P/a)
+ 3.368(P/a)
2
4
1– 2.39(D/a)
The nominal stress is:
32M
nd³
Transcribed Image Text:(d) The stress concentration factor at shoulder fillet B. (e) The maximum stress in the shaft taking into account stress concentrations. 800 N r = 0,3 cm A d, = 3 cm d2 = 5 cm d, 3 3 ст B C 5 ст 8 cm 8 ст 12 cm Figure Q4 (i) The reference parameters are shown in Figure Q4 (ii) in the page that follows. For 0.002 srld < 0.3 and 1.01 s Dlds 6.0, the stress concentration factor for bar bending is given as: kn -4.4 = 0.632 + 0.377 2 4 |-0.14 – 0.363(P/a)+ 0.503(P/a) + 3.368(P/a) 2 4 1– 2.39(D/a) The nominal stress is: 32M nd³
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